<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    
    <div id="app">
        <!-- 单选框 -->
        <select name="favorite" v-model="fruit">
            <option value="苹果">苹果</option>
            <option value="香蕉">香蕉</option>
            <option value="葡萄">葡萄</option>
            <option value="榴莲">榴莲</option>
        </select>
        <h2>您选择的水果是：{{fruit}}</h2>

        <!-- 多选框 -->
        <select name="favorite" v-model="fruits" multiple>
            <option value="苹果">苹果</option>
            <option value="香蕉">香蕉</option>
            <option value="葡萄">葡萄</option>
            <option value="榴莲">榴莲</option>
        </select>
        <h2>您选择的水果是：{{fruits}}</h2>
    </div>
    
</body>
<script src="../js/vue.js"></script>
<script>
    const app = new Vue({
        el: '#app',
        data: {
            message: 'Hello Vue!',
            fruit: '葡萄',
            fruits: []
        }
    })
</script>
</html>